xref: /openbmc/linux/drivers/staging/pi433/rf69.h (revision 2d19e698)
1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3  * hardware abstraction/register access for HopeRf rf69 radio module
4  *
5  * Copyright (C) 2016 Wolf-Entwicklungen
6  *	Marcus Wolf <linux@wolf-entwicklungen.de>
7  */
8 #ifndef RF69_H
9 #define RF69_H
10 
11 #include "rf69_enum.h"
12 #include "rf69_registers.h"
13 
14 /* NOTE: Modifying FREQUENCY value impacts CE certification */
15 #define F_OSC		32000000	/* Hz */
16 #define FREQUENCY	433920000	/* Hz */
17 #define FIFO_SIZE	66		/* bytes */
18 #define FIFO_THRESHOLD	15		/* bytes */
19 
20 u8 rf69_read_reg(struct spi_device *spi, u8 addr);
21 int rf69_get_version(struct spi_device *spi);
22 int rf69_set_mode(struct spi_device *spi, enum mode mode);
23 int rf69_set_data_mode(struct spi_device *spi, u8 data_mode);
24 int rf69_set_modulation(struct spi_device *spi, enum modulation modulation);
25 int rf69_set_modulation_shaping(struct spi_device *spi,
26 				enum mod_shaping mod_shaping);
27 int rf69_set_bit_rate(struct spi_device *spi, u16 bit_rate);
28 int rf69_set_deviation(struct spi_device *spi, u32 deviation);
29 int rf69_set_frequency(struct spi_device *spi, u32 frequency);
30 int rf69_enable_amplifier(struct spi_device *spi, u8 amplifier_mask);
31 int rf69_disable_amplifier(struct spi_device *spi, u8 amplifier_mask);
32 int rf69_set_output_power_level(struct spi_device *spi, u8 power_level);
33 int rf69_set_pa_ramp(struct spi_device *spi, enum pa_ramp pa_ramp);
34 int rf69_set_antenna_impedance(struct spi_device *spi,
35 			       enum antenna_impedance antenna_impedance);
36 int rf69_set_lna_gain(struct spi_device *spi, enum lna_gain lna_gain);
37 int rf69_set_bandwidth(struct spi_device *spi, enum mantisse mantisse,
38 		       u8 exponent);
39 int rf69_set_bandwidth_during_afc(struct spi_device *spi,
40 				  enum mantisse mantisse,
41 				  u8 exponent);
42 int rf69_set_ook_threshold_dec(struct spi_device *spi,
43 			       enum threshold_decrement threshold_decrement);
44 int rf69_set_dio_mapping(struct spi_device *spi, u8 dio_number, u8 value);
45 int rf69_set_rssi_threshold(struct spi_device *spi, u8 threshold);
46 int rf69_set_preamble_length(struct spi_device *spi, u16 preamble_length);
47 int rf69_enable_sync(struct spi_device *spi);
48 int rf69_disable_sync(struct spi_device *spi);
49 int rf69_set_fifo_fill_condition(struct spi_device *spi,
50 				 enum fifo_fill_condition fifo_fill_condition);
51 int rf69_set_sync_size(struct spi_device *spi, u8 sync_size);
52 int rf69_set_sync_values(struct spi_device *spi, u8 sync_values[8]);
53 int rf69_set_packet_format(struct spi_device *spi,
54 			   enum packet_format packet_format);
55 int rf69_enable_crc(struct spi_device *spi);
56 int rf69_disable_crc(struct spi_device *spi);
57 int rf69_set_address_filtering(struct spi_device *spi,
58 			       enum address_filtering address_filtering);
59 int rf69_set_payload_length(struct spi_device *spi, u8 payload_length);
60 int rf69_set_node_address(struct spi_device *spi, u8 node_address);
61 int rf69_set_broadcast_address(struct spi_device *spi, u8 broadcast_address);
62 int rf69_set_tx_start_condition(struct spi_device *spi,
63 				enum tx_start_condition tx_start_condition);
64 int rf69_set_fifo_threshold(struct spi_device *spi, u8 threshold);
65 int rf69_set_dagc(struct spi_device *spi, enum dagc dagc);
66 
67 int rf69_read_fifo(struct spi_device *spi, u8 *buffer, unsigned int size);
68 int rf69_write_fifo(struct spi_device *spi, u8 *buffer, unsigned int size);
69 
70 #endif
71